Adams County, Washington
Located in Washington, Adams County has a population of 20,800 residents and a median age of 29.3 years, making it the #1,834 most populous county out of 3,222 nationwide. In terms of economic indicators, the county has a poverty rate of 19.5%. The median home value is $273,300, and the median household income is $66,136, which is 12% below the national median.
Demographics
Adams County has a population of 20,800, making it the #1,834 most populous county in the US. The median age is 29.3 years, which is 24.7% below the national median.
Population Trend
Rankings →Year-over-Year Population Growth
Age & Sex Distribution
Race & Ethnicity
Nativity
Geographic Mobility (Past Year)
Economy
The median household income in Adams County is $66,136, ranking #1,523 out of 3,222 counties — 12.0% below the national median. The poverty rate is 19.5% and unemployment stands at 3.6%.
Median Household Income Trend
Rankings →Income Distribution
Industry of Employment
Occupation
Housing
The median home value in Adams County is $273,300 (-3.1% vs national). Renters pay a median of $877/mo and the homeownership rate is 69.3%.
Median Home Value Trend
Rankings →Household Type
Education
In Adams County, 15.7% of adults age 25+ hold a bachelor's degree or higher, which is 53.4% below the national average, ranking #2,716 out of 3,222 counties.
Bachelor's Degree or Higher Trend
Rankings →Health & Wellbeing
Life expectancy in Adams County is 77.0 years. 25.2% of adults report poor or fair health and 13.2% lack health insurance. Data from County Health Rankings (2025).
Life Expectancy Trend
Substance Use
14.3% of adults in Adams County smoke , 38.3% are obese , and 16.8% report excessive drinking.
Adult Smoking Trend
Safety
The suicide rate is 12.2 per 100,000. Motor vehicle deaths occur at a rate of 27.1 per 100,000.
Suicide Rate Trend
Families & Children
20.3% of children in Adams County live in poverty . The teen birth rate is 32.4 per 1,000 females age 15–19.
Teen Birth Rate Trend
Civic & Transportation
Voter turnout in Adams County is 63.7%. The mean commute time is 25.6 min, which is 7.3% below the national average.
Voter Turnout Trend
Mean Commute Time Trend
Rankings →Elections
In the 2024 presidential election, Adams County voted Republican with a margin of 43.3%. The vote was 27.2% Dem / 70.5% Rep. Compared to 2020, the margin shifted 7.6 toward Republicans .
Vote Share Over Time
About Adams County, Washington
Adams County, Washington has a total population of 20,800, making it the 1,834th most populous county in the United States. The median age in Adams County is 29.3 years, which is 24.7% below the national median of 38.9 years.
The median household income in Adams County is $66,136, which ranks #1,523 of 3,222 counties nationwide. This is 12.0% below the national median of $75,149. The poverty rate is 19.5%, higher than the national rate of 12.6%. The unemployment rate stands at 3.6%.
The median home value in Adams County is $273,300, 3.1% below the national median. Renters in Adams County pay a median gross rent of $877 per month. The homeownership rate is 69.3%, compared to the national rate of 64.4%.
In Adams County, 15.7% of residents aged 25 and older hold a bachelor's degree or higher, 53.4% below the national average of 33.7%. Health insurance coverage stands at 84.0% of the population. The average commute time for workers is 25.6 min.
Adams County is a diverse community. The largest racial or ethnic group is Hispanic or Latino at 64.5% of the population, followed by White (non-Hispanic) (31.1%) and Two or More Races (2.6%).
All data for Adams County, Washington comes from the U.S. Census Bureau's American Community Survey (ACS) 5-Year Estimates. These figures are estimates based on survey sampling and are subject to margin of error. For the most detailed and up-to-date data, visit the Census Bureau's official data portal.